| Vendor | Spec | Unit | Price | Currency | Date |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 84.44 | USD | 20251007 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 84.44 | USD | 20251001 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 84.44 | USD | 20250930 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 84.33 | USD | 20250928 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 91.35 | USD | 20250927 |